<template>
  <div class="base">
		<div class="left_box">
			<img class="logo" src="@/assets/system_logo.png" alt="">
      <div style="color: white;font-style: oblique;">Welcome</div>
		</div>
		<div class="right_box">
      <div style="margin-bottom: 30px;font-size: 18px;">Welcome</div>

			<el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
				label-position="left">
				<el-form-item prop="username">
					
					<el-input  prefix-icon="el-icon-message"ref="username" v-model="loginForm.username" placeholder="ID" name="username" type="text"
						tabindex="1" auto-complete="on" />
				</el-form-item>
				<el-form-item prop="password">
					<el-input prefix-icon="el-icon-lock" show-password ref="password" v-model="loginForm.password"
						placeholder="PW" name="password" tabindex="2" auto-complete="on" @keyup.enter.native="handleLogin" />
				</el-form-item>

				<el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;"
					@click.native.prevent="handleLogin">{{ $t("login") }}</el-button>
			</el-form>
		</div>
	</div>
</template>

<script>
import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('Please enter the correct user name'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('The password can not be less than 6 digits'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur'}],
        password: [{ required: true, trigger: 'blur'}]
      },
      loading: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  methods: {
    
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', {id:this.loginForm.username,pw:this.loginForm.password}).then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.base {
	background-color: #5B5F97;
	width: 100%;
	height: 100vh;
	display: flex;
	align-items: center;
}

.left_box {
	flex: 2.1;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;

}

.right_box {
	background-color: #fff;
	flex: 1;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
}

.logo {
	width: 340px;
	height: 340px;
}

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
